Scientifically designed to trap and kill yellow jackets. Environmentally safe, no poisons or pesticides.Non-toxic mode of action. Easy-to-assemble, no tools required. Rust-free poly material and no moving parts. Odor free and attractant lasts for weeks. Trap can be reused. Does not attract honey bees. For attractant refills refer to Model No. YJTC-D89 (SKU 740074) or Model No. YJTA-DB36 (SKU 713872).